Image Manager/Cvb++/CppPointCloudCreateAndHandle

This example program is located in your CVB installation under %CVB%Tutorial/Image Manager/Cvb++/CppPointCloudCreateAndHandle.

main.cpp:

// This simple point cloud example programm shows how to create a dense point cloud and set values to
// it.
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
 
#include <iostream>
 
#include "cvb/point_cloud.hpp"
#include "cvb/point_cloud_factory.hpp"
 
void SetValuesToDensePointCloud(Cvb::DensePointCloud &cloud,
                                const float initialValue);
 
int main() {
  try {
    // create dense point cloud
    int width = 25, height = 20;
    auto cloudDense = Cvb::PointCloudFactory::CreateDense(
        Cvb::Size2D<int>(width, height),
        Cvb::PointCloudFlags::Float | Cvb::PointCloudFlags::XYZ);
 
    // set intial values to points of cloud
    SetValuesToDensePointCloud(*cloudDense, 123.4f);
 
  } catch (const std::exception &error) {
    std::cout << error.what() << std::endl;
  }
 
  return 0;
}
 
void SetValuesToDensePointCloud(Cvb::DensePointCloud &cloud,
                                const float initialValue) {
  Cvb::Point3D<float> *pPoints = nullptr;
  cloud.Points(pPoints);
 
  auto size = cloud.LatticeSize();
  float x = 0, y = 0;
  auto end = pPoints + cloud.NumPoints();
  for (auto it = pPoints; it != end; it++) {
    *it = Cvb::Point3D<float>{x++, y, initialValue};
    if (x >= size.Width()) {
      x = 0;
      y++;
    }
  }
}